Gregory L. Ellis, OD

  • Boulder, CO
  • Optometrist
NPI1629105622PAC ID5890822837
Part D claims, 2024
1,092
Affiliated sites
3
Medical group
1
State license
1
Year NPI issued
2007
Practice address
580 Mohawk Dr, Boulder, CO 80302
Practice phone
Call (303) 338-3456
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Baseline Medical Offices - Boulder

Mammography / Breast Imaging Center · Boulder, Colorado

See all 4 affiliations

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Gregory L. Ellis is an optometrist in Boulder, Colorado

Gregory Ellis practices at Baseline Medical Offices - Boulder in Boulder, Colorado.

Gregory Ellis' NPI, 1629105622, was assigned on February 27, 2007. Gregory Ellis graduated from Ferris State College - College of Optometry in 1991. Gregory Ellis holds Colorado license 2078.

NPI and contact details
Medicare PAC ID
5890822837
NPI enumeration date
February 27, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(303) 338-3456
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
61
Medical school graduation
1991

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Gregory L. Ellis practices at Baseline Medical Offices - Boulder in Boulder, Colorado

Gregory Ellis' primary practice is Baseline Medical Offices - Boulder, at 580 Mohawk Dr, Boulder, CO 80302. The practice phone is (303) 338-3456.

  • Baseline Medical Offices - Boulder
    580 Mohawk Dr, Boulder, CO 80302Phone(303) 338-3456

Source: Dmand AI Affiliation Data

Gregory L. Ellis is affiliated with 3 sites of care and 1 medical group

Gregory Ellis' primary practice is Baseline Medical Offices - Boulder in Boulder, Colorado. The medical group on file is Colorado Permanente Medical Group. Dmand AI also links Gregory Ellis to 1 more group practice or clinic and 1 therapy and rehab clinic, each named with a free account.

See all 4 affiliations for Gregory Ellis

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Gregory L. Ellis' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Ellis practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Baseline Medical Offices - BoulderAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Gregory L. Ellis is one of 936 optometrists in Colorado

Optometrist is Gregory Ellis' primary specialty in the NPI Registry, under taxonomy code 152W00000X. Gregory Ellis is licensed in Colorado.

Specialties and state licenses

  • Optometrist, ColoradoPrimaryLicense 2078 · taxonomy 152W00000X

Optometrists near Gregory Ellis

Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Gregory L. Ellis' patients have a median age of 56

Across all payers, Dmand AI patient panel data puts Gregory Ellis' median patient age at 56, with 60% women.

Gregory Ellis' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 56

Patient panel by sex, all payers

  • Women60%
  • Men40%

Source: Dmand AI Patient Panel Data

Gregory L. Ellis wrote 1,092 Medicare Part D claims in 2024

In 2024, Gregory Ellis wrote 1,092 Medicare Part D claims for 305 patients. 87% of them were for generic drugs.

Part D claims, 20241,092
Part D patients305

Gregory Ellis' Part D claims by kind of drug, 2024

  • Generic947 claims87%
  • Brand-name145 claims13%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Gregory L. Ellis takes part in Medicare

Gregory Ellis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Gregory L. Ellis graduated from Ferris State College - College of Optometry

Gregory Ellis graduated from Ferris State College - College of Optometry in 1991.

  1. Medical schoolFerris State College - College of Optometry

Source: Dmand AI Professional Profile Data

Sources for Gregory L. Ellis's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Gregory L. Ellis

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Gregory L. Ellis' NPI number?

Gregory L. Ellis' NPI number is 1629105622. It was assigned on February 27, 2007, and it is active in the NPI Registry.

What does Gregory L. Ellis specialize in?

Gregory L. Ellis is an optometrist in Boulder, Colorado. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).

Where does Gregory L. Ellis practice?

Gregory Ellis practices at 580 Mohawk Dr, Boulder, CO 80302. Gregory Ellis' primary practice is Baseline Medical Offices - Boulder in Boulder, Colorado. Dmand AI also links Gregory Ellis to 1 group practice or clinic and 1 therapy and rehab clinic.

What is Gregory L. Ellis' office phone number?

The practice phone on file for Gregory Ellis is (303) 338-3456.

What is Gregory L. Ellis' medical license number?

Gregory Ellis holds Colorado license 2078.

What medical group is Gregory L. Ellis part of?

Gregory Ellis is linked to Colorado Permanente Medical Group.

Does Gregory L. Ellis accept Medicare?

Yes. CMS lists Gregory Ellis as accepting Medicare assignment.

Where did Gregory L. Ellis go to medical school?

Gregory Ellis graduated from Ferris State College - College of Optometry in 1991.

How long has Gregory L. Ellis been practicing?

Gregory Ellis graduated from medical school in 1991, 35 years ago.

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